Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-12-29 06:12:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

net: phy: print stack trace in phy_error

Browse Source 
So far phy_error() silently stops the PHY state machine. If the network
driver doesn't inform about a  MDIO error then the user may wonder why
his network is down. Let's print the stack trace to facilitate search
for the root cause of the error.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Heiner Kallweit 2018-12-16 19:18:26 +01:00 committed by David S. Miller
parent 2b3e88ea65
commit fa7b28c11b
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/phy/phy.c
View File

@ -730,6 +730,8 @@ void phy_stop_machine(struct phy_device *phydev)
*/
static void phy_error(struct phy_device *phydev)
{
WARN_ON(1);
mutex_lock(&phydev->lock);
phydev->state = PHY_HALTED;
mutex_unlock(&phydev->lock);